Portable cleaner

ABSTRACT

The invention discloses a portable cleaner, including a shell body formed by a cover and a base, a fore end of which is provided with a fixing head and an opening; an oscillator adopted to produce a signal at a pre-selection frequency, arranged in the base; and vibrating means, arranged in the fixing head and electronically connected to the oscillator, the fore part of which extends outside the fixing head. By vibrating the head of cleaning, the dirt in the article could fall from the article. The portable cleaner has a streamlined shell body, thus it is easy to be operated by the human hand. In addition, the portable cleaner adopt integrated circuit, not only a cost for manufacture but also power consumption is very low.

FIELD OF THE INVENTION

The invention relates to a cleaning apparatus, particularly to a portable cleaner, which could have the dirt fallen from the article by vibrating.

BACKGROUND OF THE INVENTION

The conventional cleaning device primarily includes two kinds. A kind of the device, such as vacuum cleaner, mainly depends on the vacuum sorption to wipe off the dust, and the other kind of device is called washing device by water, such as ultrasonic cleaner disclosed in the United States patent U.S. Pat. No. 5,109,174. These two kinds of apparatus of the prior art are usually large in size and have the problems of inconvenient carrying and single function, although both have its application conditions and using results. In order to solve the inconvenient carrying problem, Chinese patent application CN2043415U discloses a kind of portable electrical cleaner, used to sweep the reed of electrical products such as key, relay, etc. In addition, someone else has invented a kind of ultrasonic vibration encouraging cleaner, used for the clearance of aged skin of human and shedding off horniness layer, oil, filth and the leftover of making up in the pore, with an example of Chinese patent application CN1213572A. The above cleaners all belong to the special handheld cleaner, but are not fit to the general daily home life and office, for example, to clean up the dirty or filth on furniture, clothing, electric appliances, decoration, floor, glass, etc. Especially, when these things have some gummy or strong adhesion dirty or filth on them, it is difficult to use the same kind of electrical handheld cleaner of the prior art to clean.

SUMMARY OF THE INVENTION

Accordingly, it is an object of the present invention to provide a portable cleaner with multi-function, which not only can clear the adhered filth by ultrasonic vibration, but also can spray water to the dirt forwardly. A portable cleaner comprising a shell body formed by a cover and a base, a fore end of which is provided with a fixing head and an opening for spraying; an oscillator adopted to produce a signal at a pre-selection frequency, arranged in the base; and vibrating means, arranged in the fixing head and electronically connected to the oscillator, the fore part of which extends outside the fixing head; a sprinkler, controlled by a control means for spraying water forwardly, having a tank arranged in the base and a nozzle extended to an opening at the fore end of the shell body. The vibrating means comprise a first vibrating member, a part of which is extended outside the fixing head; a second vibrating member, fixed to the first vibrating member; two electrode contacts connected to the oscillator via wires, defined between the first and the second vibrating members together with two piezoelectric elements.

A sprinkler is also provided for spraying water, comprising a tank, arranged in the base; a nozzle, extended to the opening in the fore end of the shell body, and a control means, comprising a cavity, formed on the tank and connected to the nozzle; a piston button, defined in the cavity and used for pushing a spring; a pipe for sucking water, defined in the tank and connected to the cavity; and a steel ball, used to cover the opening on a lower end of the pipe. A rubber O-ring is provided between a inside wall of the cavity and the piston button for sealing the cavity. A button cooperated to the piston button is provided on the cover of the shell body. Preferably, a window is provided on the shell body for observing water lever in the tank.

A switch being connected to a batter defined within the case is provided on the shell body. A brush is fixed to the fixing head.

It is a further object of the present invention to provide a driving circuit for a portable cleaner. The drive circuit for a portable cleaner being powered by a battery, comprising an oscillator adopted to produce a signal at a pre-selection frequency; a frequency dividing circuit linked with the fixed frequency generator and adopted to produce two signals with same frequency, phase of which are reversed each other; a power amplifier linked with the frequency dividing circuit for amplifying the signals; an oscillation circuit for outputting the signals for generating a vibration.

A detecting circuit is provided for detecting the signals output from the oscillation circuit, and a phase-lock controller is adopted to feedback the signals detected by the detecting circuit to the oscillator.

According to the present invention, the portable cleaner can not only make use of the vibration of the head for cleaning to have the dirt fallen from the article, but also make use of the water that sprays to the dirt surface, thus avoid the annoyance of fetching water in additional way.

The cleaner of the present invention is small in size thus will be portable easily. In addition, because of the mass use of integrated circuits in the circuit design, not only the power consumption is low, but also the cost for manufacture is low.

BRIEF DESCRIPTION OF THE DRAWINGS

These and other objects of the invention will be apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of the portable cleaner according to the present invention illustrating the streamlined shell body;

FIG. 2 is a exploded view of the portable cleaner in FIG. 1;

FIG. 3 is a exploded view of the head for cleaning in FIG. 2;

FIG. 4 a is a exploded view of the tank;

FIG. 4 b is a schematic view of the tank;

FIG. 5 is a block diagram of a driving circuit for the portable cleaner in FIG. 1;

FIG. 6 is the driving circuit of the portable cleaner in FIG. 1.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawing.

Hereinafter, referring to FIG. 1, the preferred embodiment of the portable cleaner 10 has a streamlined outline thus easily to be hold in human hand. The shell body of the cleaner 10 has a base 12 (an upper part 12 a and a lower part 12 b) and a cover 14 respectively, fore end of which is combined with a fixing head 16. There is a vibrating means (not shown) defined in the shell body, a head 21 of which extends to outside of the shell body from the fixing head 16.

Inside the shell body, as shown in FIG. 2, there are a sprinkler 30, a driving module 40 and battery arranged in the base 12 (a,b). In addition, a vibrated means 20 defined in the fixing head 16 with an opening 17 at fore end.

Specially, the vibrated means 20 of the present invention is shown in FIG. 3. The vibrated means 20 comprises a first resonance part 22 with a mounting hole 23 at the bottom, a second resonance part with mounting hole 25, and two vibrating plates 26 defined between the first and the second resonance parts 22 and 24, a mounting hole 29 for each plate is also included. A head of the first resonance part 22 is flat to be used to extend outside the fixing head 16 (in FIG. 1) from its opening 17 (in FIG. 1). A screw 27 is used to secure the vibrated means 20 by protruding the mounting holes 25, 29 and 23 of the second resonance parts 24, two vibrating plates 26 and the first resonance parts 22 sequentially. The two vibrating plates 26 are respectively connected to the driving module 40 (in FIG. 1) including an oscillator (not shown) through electrode contacts 41. Preferably, the vibrating plates 26 are made of piezoceramics.

FIG. 4 a shows the sprinkler 30 of the present invention for spraying water forwardly. The sprinkler 30 is controlled by a control means for spraying water, having a tank 32 and the nozzle 34. The tank 32 is arranged in the base 12 (a,b) and the nozzle 34 extends and aligns to an opening 46 (in FIG. 1) at the fore end of the shell body. Preferably, the opening 46 (in FIG. 1) is provided on the cover 14 (in FIG. 1) of the shell body. Of course, the opening 46 (in FIG. 1) can be also provided on the fixing head 16 according to various application of the present application. The control means of the sprinkler 30 comprises a cavity 31, formed on the tank 32 and connected to the nozzle 34; a piston button 36, defined in the cavity 31 and used for pushing a spring 33; a pipe 38 for sucking water, defined inside the tank 32 and connected to the cavity 31, and a steel ball 39, used to cover an opening 37 on a lower end of the pipe 38. Meanwhile, a rubber O-ring 45 and a piston 35 are provided between a inside wall of the cavity 31 and the piston button 36 for sealing the cavity, and a plug 43 is provided at the bottom of the tank 32 for sealing the tank 32 and pouring water into the tank 32.

Now referring to FIG. 4 b, after the piston button 36 being pressed by human hand pressing a button 42 (in FIG. 1) on the cover 14 (in FIG. 1), the air inside the cavity 31 and pipe 38 is also compressed, and the steel ball 39 covers the opening 37 of the pipe 38. The spring 33 is used to reset piston button 36 after removing the pressure applied on the piston button 36, thus the negative pressure will be formed in the pipe 38. Therefore, water in the tank 32 can shove the steel ball 39 and will be sucked into the pipe 38, then is sprayed outside through the nozzle 34 if the piston button 36 is pressed time and again. Specially, a window 18 (in FIG. 1) is provided on the shell body of the present invention for easily observing water level in the tank 32.

FIG. 5 shows a block diagram of the driving circuit for the portable cleaner 10 (in FIG. 1), which is enveloped in the driving module 40 (in FIG. 1). FIG. 6 shows the detailed circuit diagram of the driving circuit. The circuit includes a stabilized voltage circuit 102, a reset circuit 103, comparison circuit 104, an oscillator 105, a frequency dividing circuit 106, a power controller and amplifier 107 and 108, and an oscillation circuit 109, wherein the stabilized voltage circuit 102 links with the reset circuit 103, the oscillator 105, the frequency dividing circuit 106, the power controller 107 and the power amplifier 108 respectively. The reset circuit 103 links with the frequency dividing circuit 106 and the power controller 107. The frequency dividing circuit 106 links with the power controller 107, the power amplifier circuit 108 and the oscillation circuit 109 in turn. Through the stabilized voltage circuit 102, a power supply is applied to each above related circuit with the 3.3 V (LT11173).

Firstly, the oscillator 105 generates a pre-selection vibration frequency, such as 100 KHz, to the frequency dividing circuit 106 (for instance, the D triggers of 74 LS74A or 74 HC74A, B). Then, 2-way frequency signals of 50 KHz are divided and provided to the power controller 107 (74 LS08s), phase of which are reversed each other. After the frequency signals of 50 KHz being amplified by the power amplifier 108, they outputs to the oscillation circuit 109 and drives two vibrating plates 26 to vibrate continuously at the frequency 50 KHz.

For the sake of offering fixed vibration frequency, the present invention also processes the correction and lock by the feedback for checking the vibration signal. The detecting circuits 110 connects with the phase-lock controller 111 and further links with the oscillator 105 which links to the reset circuit 103 through the comparison circuit 104. When the checked vibration signals feedback, one is sent to the CLK pin of one D trigger (74HC74B) after amplified by the comparison circuit 104 (LM393A), and the other is sent directly to the D pin of the other D trigger after inversed. Thus a signal can be output to correct and lock the frequency signal generated from the oscillator at pre-selection frequency 100 KHz. The corrected signal is also examined by the comparison circuit 104 (LM393B), and the reset circuit 103 will be in low state by a low level signal when the modulation signal is too large so as to stop working. Obviously, a switch 44 (in FIG. 1) connected to a batter is preferably defined on the cover 14 (in FIG. 1) for operating.

The present invention still contains many implementing examples, for instance, after the dirt being fallen from the article, a brush 48 (in FIG. 1) can be also installed on the fixing head 16 (in FIG. 1) in order to meet the requirement of washing in another occasion.

Although the present invention has been explained by the embodiments shown in the drawings described above, it should be understood to the ordinary skilled person in the art that the invention is not limited to the embodiments, but rather that various changes or modifications thereof are possible without departing from the spirit of the invention. Accordingly, the scope of the invention shall be determined only by the appended claims and their equivalents. 

1. A portable cleaner comprising a shell body formed by a cover and a base, a fore end of which is provided with a fixing head and an opening for spraying; an oscillator adopted to produce a signal at a pre-selection frequency, arranged in the base; and vibrating means, arranged in the fixing head and electronically connected to the oscillator, the fore part of which extends outside the fixing head; a sprinkler, controlled by a control means for spraying water forwardly, having a tank arranged in the base and a nozzle extended to an opening at the fore end of the shell body.
 2. A portable cleaner according to claim 1, wherein the vibrating means comprise a first vibrating member, a part of which is extended outside the fixing head; a second vibrating member, fixed to the first vibrating member; two electrode contacts connected to the oscillator via wire, defined between the first and the second vibrating members together with two piezoelectric elements.
 3. A portable cleaner according to claim 2, wherein the first vibrating member is provided with a flat part, extended outside the fixing head; and a fixed part with a screw.
 4. A portable cleaner according to claim 1, wherein the control means of the sprinkler comprises a cavity, connected to the tank via a hole provided on the top of the tank and the nozzle; a steel ball, defined in the cavity and used to cover the hole; and a piston button, defined in the cavity and associated with a spring.
 5. A portable cleaner according to claim 4, wherein an O-ring is provided between a inside wall of the cavity and the piston button for sealing the cavity.
 6. A portable cleaner according to claim 5, wherein a button cooperated to the piston button is provided on the cover of the shell body.
 7. A portable cleaner according to claim 1, wherein a window is provided on the shell body for observing water level in the tank.
 8. A portable cleaner according to claim 1, wherein the base is divided into an upper part and a lower part.
 9. A portable cleaner according to claim 8, wherein the opening for spraying is provided on the upper part.
 10. A portable cleaner according to claim 1, wherein a switch being connected to a batter defined within the case is provided on the shell body.
 11. A portable cleaner according to claim 1, wherein a brush is provided on the fixing head.
 12. A drive circuit for a portable cleaner being powered by a battery, comprising an oscillator adopted to produce a signal at a pre-selection frequency; a frequency dividing circuit linked with the oscillator and adopted to produce two-way signals with same frequency, phase of which are reversed each other; a power amplifier linked with the frequency dividing circuit for amplifying the signals; an oscillation circuit for outputting the signals for generating a vibration.
 13. A drive circuit of claim 12, wherein a detecting circuit is provided for detecting the signals output from the oscillation circuit.
 14. A drive circuit of claim 13, wherein a phase-lock controller is adopted to feedback the signals detected by the detecting circuit to the oscillator. 